名词
中文翻译：发射平台地面
同义词：
['launching pad', 'launchpad例句：1. The spacecraft waslaunched from the launching level ground.（航天器从发射平台地面发射。）2. Theastronauts landedon the launching level ground.（宇航员们降落在发射平台地面。）']
例句：
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1. The spacecraft waslaunched from the launching level ground.
航天器从发射平台地面发射。
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2. Theastronauts landedon the launching level ground.
宇航员们降落在发射平台地面。
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3. Therocket was launched from the launching levelground.
火箭从发射平台地面发射。